Test #2 Flashcards
What is not involved when using flanges?
Welding
What are the 3 different faces of a flange?
•Flat
•Ring Type Joint
•Raised
What kind of bolts are needed when using flanges?
•Stud
•Machine Bolt
Name the pound rating used with flanges.
•#150
•#300
•#400
•#600
•#900
What relationship is important when finding the pound rating of flanges?
•pressure and temperature relationship
What are some of the different types of flanges?
•Oriface
•Reducing
•Socket
•Slip on
• Threaded
What three dimensions are needed for flanges?
•Thickness of base
•Length
•Outside diameter
What are need for flange to flange assembly and how thick are they typically?
•Gaskets, 1/8”
What materials can a gasket be made of?
•Rubber
• Led copper
•Metal
•Neoprene
How many in a pack do gaskets im come in?
•Four
What is a valve?
•Controls flow of commodity
What are the 3 parts of a valve?
•Handwheel
•Gate
•Stem
What are some ways valves connected?
•Screwed
•Socket Weld
•Beveled
•Flange
What are the 2 different stems? What are the differences
•nonrising, the stem and handle move together
•rising, the handle only moves along the stem
What can be used when a valve is in a high place?
•Chain Puller
•Accuator
Describe a gate valve
•bow tie symbol
•never inbetween off or on
Describe globe valve
•Think of a faucet
•Bow tie with a dot filled in center
Describe angle valve
•90 degree angle
•Commodity goes from bottom to the top
Describe check valve
•pressure of commodity keeps it down
•think of toilet
•swing & lift
•two vertices lines with an arrow
Describe a ball valve
•ball sitting w. a wrench handle to help commodity flow
•think of work
Describe butterfly valve
•has a wafer
•never is fully closed
•two vertical line with a diagonal line in middle
Describe a relief valve
•allows steam to get out
•pressure opens the valve
•has a spring
•like a angle valve but with a note
Describe a control valve
•makes precise changes
What are two types of tanks and what do they do?
•vertical- breaks things down
•horizontal- accumulator (storage)
What 5 parts are need ed for a horizontal tank?
•end or cap
•sattle
•manway
•nozzle
•shell
What is a flash zone?
•hola commodity that is caused by steam and commodity reaction
What is a by product?
•final product
What is fractional distillation?
•taking commodity and break it down into its molecule
What are the 3 pump classifications?
•centrifugal
•reciprocating
•rotary
What’s the difference between a pump and a compressor?
•pump is for liquid and a compressor is for air and gases
Where do the ending product go?
•tank farms
What are common by products after crude oil goes through
•tires
•gas
•diesel
•carosine
•asphalt
What’s the difference between and exchanger and a reboiler?
•an exchanger takes different commodity and gives off heat to each other but never mixes them, keeps at boiling point
•a reboiler makes commodity warm again at a certain temperature
